STH iso-octane for hromatogr. (3 ml)

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Description

STH iso - octane for hromatogr. (3 ml)
Isooctane (2,2,4 - trimetilpentan, iso - octane) — saturated hydrocarbon of aliphatic series.
Isooctane — transparent colorless liquid with gasoline smell; it is water - insoluble, we will dissolve in usual organic solvents; forms constant boiling mixtures, for example with benzene, methyl and ethyl alcohols. Antiknock properties of isooctane are taken for 100 units of scale of so - called octane values. Chemical formula: With (CH3)3 — CH2—CH(CH3)2
Synonym: 2,2,4 - trimetilpentan, iso - octane
International name: ISO - OCTANE
CAS No: 540 - 84 - 1
Qualification: Imp.
Appearance: transparent colorless liquid

Packing: barrels, 140 kg
Storage conditions: in the aired dry room at low temperature
Specification



Molecular weight	114.2

Density at 15 °C, g/cm3	0,695 - 0,699 (on fakt.0,6963)

Index of refraction, n20 D, in limits	1,391 - 1,392

Boiling temperature at 760 mm hg, hail. With	99,0 - 99,5

2,2,4 TMP, not less	90% (on the fact. 95,8% )

Other iso - octanes, no more	10% (on the fact. 3,9% )

Mass fraction of water, % , no more	0,01 (on fakt.0,006)

mass fraction of sulfur, % , no more	0,0001

mass fraction of nitrogen, % , no more	0,0001